Longines 645.1 (ETA 2890)
Mechanical
c. 1975
Self-winding (rotor)
Hacking
No photos yet
Notes
1975-1983
for technical details cf. ETA 2892
Dimensions
| Width | 28 lignes (63.16 mm) |
|---|---|
| Height | 3.6 mm |
| Stem height | 1.1 mm |
| Hands (H × M × S) | 1.5 × 0.9 × 0.25 mm |
Technical data
| Beat rate | 28,800 vph (4 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | Yes |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 10.5 mm |
| Thickness | 0.12 mm |
| Length | 475 mm |
| Barrel diameter | 1.05 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Longines |
| Year | c. 1975 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions